From 2ecb46d840757d19b6aa323d2eacffbf21ebb8e4 Mon Sep 17 00:00:00 2001
From: yosuke ota <otameshiyo23@gmail.com>
Date: Thu, 18 Nov 2021 09:46:56 +0900
Subject: [PATCH] Fix memory leak

---
 lib/utils/style-variables/index.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/utils/style-variables/index.js b/lib/utils/style-variables/index.js
index 3127166a4..eca2f39d1 100644
--- a/lib/utils/style-variables/index.js
+++ b/lib/utils/style-variables/index.js
@@ -32,8 +32,8 @@ module.exports = {
   StyleVariablesContext
 }
 
-/** @type {Map<VElement, StyleVariablesContext>} */
-const cache = new Map()
+/** @type {WeakMap<VElement, StyleVariablesContext>} */
+const cache = new WeakMap()
 /**
  * Get the style vars context
  * @param {RuleContext} context